Re: Setting up gmirror

2008-11-06 Thread Wojciech Puchar
What are the considerations in choosing between "load", "prefer", "round-robin", and "split" balance algorithms? "load" is currently not good at high loads, pr's pending... so change it to round-robin? ___ freebsd-questions@freebsd.org mailing lis

Re: Setting up gmirror

2008-11-06 Thread Volodymyr Kostyrko
Gabriel Lavoie wroted: As I asked in another thread, what is the problem with the "load" algorith? I've already pointed you in the other tread to http://www.freebsd.org/cgi/query-pr.cgi?pr=113885 :) -- Sphinx of black quartz judge my vow. ___ free

Re: Setting up gmirror

2008-11-06 Thread Gabriel Lavoie
As I asked in another thread, what is the problem with the "load" algorith? Thanks 2008/11/6 Volodymyr Kostyrko <[EMAIL PROTECTED]> > Carl wrote: > > What are the considerations in choosing between "load", "prefer", >> "round-robin", and "split" balance algorithms? >> > > "load" is currently no

Re: Setting up gmirror

2008-11-06 Thread Volodymyr Kostyrko
Carl wrote: What are the considerations in choosing between "load", "prefer", "round-robin", and "split" balance algorithms? "load" is currently not good at high loads, pr's pending... -- Sphinx of black quartz judge my vow. ___ freebsd-questions@f

Re: Setting up gmirror

2008-10-23 Thread Wojciech Puchar
I thought the -s option was only applicable when using "-b split" for the balancing algorithm. Does "round-robin" not mean simply alternating between the two disks without ever splitting requests? no. it means for example with -s 65536 and 1MB request - it will split this request on 2 disks

Re: Setting up gmirror

2008-10-22 Thread Carl
Wojciech Puchar wrote: disk will be overwritten). Add another disk to this mirror, so it will be synchronized with existing disk: gmirror label -v -b round-robin data da0 add -s like -s 1048576 to prevent splitting one request on 2 disks. I thought the -s option was only

re: Setting up gmirror

2008-10-22 Thread Wojciech Puchar
disk will be overwritten). Add another disk to this mirror, so it will be synchronized with existing disk: gmirror label -v -b round-robin data da0 add -s like -s 1048576 to prevent splitting one request on 2 disks. I thought the -s option was only applicable when using

re: Setting up gmirror

2008-10-21 Thread Carl
Wojciech Puchar wrote: > Andrew Falanga wrote: Identical drive models so their sizes are the same. Is this the command, from gmirror(8), the one I'll want to use? Create a mirror on disk with valid data (note that the last sector of the disk will be overwritten). Add another disk to th

Re: Setting up gmirror

2008-10-01 Thread koberne <[EMAIL PROTECTED]>
Hello, > I swear by gmirror, I had very good experience with it and will use it in the > future > again. I just need to find some time to attach the two identical HDD's to my > via c7 system. Actually, you don't need two identical HDD to make a gmirror. It's just important, that the one, you a

Re: Setting up gmirror

2008-10-01 Thread Dino Vliet
Wednesday, October 1, 2008 6:34 AM From: "Andrew Falanga" <[EMAIL PROTECTED]> To: "freebsd-questions@freebsd.org" Hi, I've just finished setting up a new web server, and if I get my DNS stuff correct hopefully an e-mail server too, for my church. Originally, the intention was to use R

Re: Setting up gmirror

2008-10-01 Thread Wojciech Puchar
There is also one difference which you're forgetting: booting. for me there is no problem. simply put /boot at the beginning of mirror or small partition it's that simple ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailma

Re: Setting up gmirror

2008-10-01 Thread Jeremy Chadwick
On Wed, Oct 01, 2008 at 11:19:01AM +0200, Wojciech Puchar wrote: >> And what exactly do you classify controllers such as the Promise TX4310 >> and the Promise S150 SX4 as? The TX4310 could be classified as >> "software RAID", but a few of the features are offloaded onto the >> controller. The SX4

Re: Setting up gmirror

2008-10-01 Thread Wojciech Puchar
And what exactly do you classify controllers such as the Promise TX4310 and the Promise S150 SX4 as? The TX4310 could be classified as "software RAID", but a few of the features are offloaded onto the controller. The SX4 is the same way, but has actual on-board cache. si it do something by har

Re: Setting up gmirror

2008-10-01 Thread Jeremy Chadwick
On Wed, Oct 01, 2008 at 09:22:20AM +0200, Wojciech Puchar wrote: >> with regards to Intel MatrixRAID, here you go: >> >> http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting >> >> And yes, these are FreeBSD problems, but the severity is so high that >> there is a very good chance y

Re: Setting up gmirror

2008-10-01 Thread Wojciech Puchar
with regards to Intel MatrixRAID, here you go: http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting And yes, these are FreeBSD problems, but the severity is so high that there is a very good chance you will lose your data in the case of a failure. Simply put, don't risk it. B

Re: Setting up gmirror

2008-10-01 Thread Jeremy Chadwick
On Tue, Sep 30, 2008 at 10:34:53PM -0600, Andrew Falanga wrote: > I've just finished setting up a new web server, and if I get my DNS > stuff correct hopefully an e-mail server too, for my church. > Originally, the intention was to use RAID1 on the MOBO. However, the > RAID controller on the MOBO

Re: Setting up gmirror

2008-09-30 Thread Wojciech Puchar
Hi, I've just finished setting up a new web server, and if I get my DNS stuff correct hopefully an e-mail server too, for my church. Originally, the intention was to use RAID1 on the MOBO. However, the do not ever use "hardware" RAID0/1/10 on motherboard. first it's not hardware, it's purely s

Setting up gmirror

2008-09-30 Thread Andrew Falanga
Hi, I've just finished setting up a new web server, and if I get my DNS stuff correct hopefully an e-mail server too, for my church. Originally, the intention was to use RAID1 on the MOBO. However, the RAID controller on the MOBO consistently tried to make the SATA DVD drive part of the RAID arra